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Current Stem Cell Research & Therapy

Author(s): Jingyi Tang, Qi Zhu, Zhaoyang Li, Jiahui Yang* and Yu Lai

DOI: 10.2174/1574888X17666220107101722

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Natural Killer Cell-targeted Immunotherapy for Cancer

Page: [513 - 526] Pages: 14

  • * (Excluding Mailing and Handling)

Abstract

Natural Killer (NK) cells were initially described in the early 1970s as major histocompatibility complex unrestricted killers due to their ability to spontaneously kill certain tumor cells. In the past decade, the field of NK cell-based treatment has been accelerating exponentially, holding a dominant position in cancer immunotherapy innovation. Generally, research on NK cell-mediated antitumor therapies can be categorized into three areas: choosing the optimal source of allogeneic NK cells to yield massively amplified “off-the-shelf” products, improving NK cell cytotoxicity and longevity, and engineering NK cells with the ability of tumor-specific recognition. In this review, we focused on NK cell manufacturing techniques, some auxiliary methods to enhance the therapeutic efficacy of NK cells, chimeric antigen receptor NK cells, and monoclonal antibodies targeting inhibitory receptors, which can significantly augment the antitumor activity of NK cells. Notably, emerging evidence suggests that NK cells are a promising constituent of multipronged therapeutic strategies, strengthening immune responses to cancer.

Keywords: NK cells, immunotherapy , genetic engineering , chimeric antigen receptor , inhibitory checkpoints, cancerous cells.

Graphical Abstract

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